LOUDOUN MEDICAL GROUP, PC
NPI 1679591440
Internal Medicine in Leesburg, VA

Q: What is Loudoun Medical Group, PC's NPI number?

The NPI number for Loudoun Medical Group, PC is 1679591440. It was assigned to this organization in the NPPES registry on July 18, 2006.

Q: What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since July 18, 2006

224D CORNWALL ST NW, SUITE 403, LEESBURG, VA 20176(703) 737-6010(703) 443-8643 Get Directions Write a Review

NPPES record last updated: August 18, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 18, 2023, Nov 30, 2021 (2 updates tracked since 2021).

On this page

About Loudoun Medical Group, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LOUDOUN MEDICAL GROUP, PC (NPI 1679591440) is a healthcare organization registered as an internal medicine in Leesburg, Virginia and active in the NPI registry since July 2006. The organization lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1679591440

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameLOUDOUN MEDICAL GROUP, PC

Location Address224D CORNWALL ST NW, SUITE 403Leesburg, VA 20176-2700

Mailing AddressPo Box 17334Baltimore, MD 21297-1334 · (703) 443-6717 · Fax (703) 443-8643

Phone(703) 737-6010

Fax(703) 443-8643

Organization SubpartNo

Authorized OfficialMary Beth TamasyCeo · (703) 737-6010

Enumeration DateJuly 18, 2006

Last NPPES UpdateAugust 18, 20232 updates tracked since enumeration

NPPES CertifiedAugust 18, 2023

✔ NPI 1679591440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedDermatologyTaxonomy 207N00000X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedFamily Medicine · Sleep MedicineTaxonomy 207QS1201X

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X

Also ListedObstetrics & GynecologyTaxonomy 207V00000X

Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X

Also ListedOtolaryngologyTaxonomy 207Y00000X

Also ListedPediatricsTaxonomy 208000000X

Also ListedPediatrics · Pediatric GastroenterologyTaxonomy 2080P0206X

Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X

Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X

Also ListedSurgeryTaxonomy 208600000X

Also ListedUrologyTaxonomy 208800000X

224D CORNWALL ST NW, Leesburg, VA 20176

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Other Identifiers 4

OtherCG8678VA · Rr Medicare Group

OtherCG8679DC · Rrmedicare

OtherCG8680DC · Rr Medicare Dc

OtherEC2891VA · Rr Medicare Ptan 2023

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield West Virginia.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Loudoun Medical Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

334

Medicare enrollment records show 334 clinicians reassign Medicare billing to Loudoun Medical Group, PC, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 144 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 36

Nurse Practitioner93

Family Practice29

Internal Medicine27

Diagnostic Radiology25

Certified Nurse Midwife (CNM)16

Obstetrics/Gynecology14

Podiatry14

Urology13

28 other specialties103

Nearest to this location (20)

See all 334

Meghan Cecco, FNP

Nurse Practitioner

NPI 1376378109

224-D CORNWALL STREET, NW, SUITE 106
Leesburg, VA 20176

(703) 777-1612

✔ PECOS✔ Accepts MedicareSame address

Michael Kavanagh, MD

Orthopedic Surgery

NPI 1588655740

224-D CORNWALL STREET, NW, SUITE 204
Leesburg, VA 20176

(703) 777-3262

✔ PECOS✔ Accepts MedicareSame address

Mari Parker, FNP-BC

Nurse Practitioner

NPI 1093066284

224D CORNWALL ST NW STE 106
Leesburg, VA 20176

(703) 955-5329

✔ PECOS✔ Accepts MedicareSame address

Robert Hetzel, MD

Family Practice

NPI 1811980329

224D CORNWALL ST NW SUITE 106
Leesburg, VA 20176

(703) 777-1612

✔ PECOS✔ Accepts MedicareSame address

Anil Patel, MD

Internal Medicine

NPI 1740259340

224D CORNWALL ST., NW, SUITE 303
Leesburg, VA 20176

(703) 777-8840

✔ PECOS✔ Accepts MedicareSame address

Rebecca Giovannacci, FNP-BC

Nurse Practitioner

NPI 1508632746

224-D CORNWALL STREET, NW, SUITE 104
Leesburg, VA 20176

(703) 779-0699

✔ PECOS0.1 mi

Michael Kuo

Physical Medicine and Rehabilitation

NPI 1427057686

224D CORNWALL ST NW STE 300
Leesburg, VA 20176

(703) 443-8110

✔ PECOS✔ Accepts Medicare0.1 mi

Andrew Martin, RN

Nurse Practitioner

NPI 1154174225

224D CORNWALL ST NW STE 301
Leesburg, VA 20176

(703) 779-0700

✔ PECOS✔ Accepts Medicare0.1 mi

Troy Mohler, M.D.

Family Practice

NPI 1003009119

224-D CORNWALL STREET, NW, SUITE 106
Leesburg, VA 20176

(703) 777-1612

✔ PECOS✔ Accepts Medicare0.1 mi

Meredith Overstreet, NP

Nurse Practitioner

NPI 1699287946

224-D CORNWALL STREET, NW, SUITE 300
Leesburg, VA 20176

(703) 443-8110

✔ PECOS✔ Accepts Medicare0.1 mi

Anita Silva, M.D.

Obstetrics/Gynecology

NPI 1740395912

224D CORNWALL ST NW STE 207
Leesburg, VA 20176

(703) 437-0001

✔ PECOS✔ Accepts Medicare0.1 mi

Megan Floro, CRNP

Nurse Practitioner

NPI 1679867642

211 GIBSON ST NW STE 215
Leesburg, VA 20176

(571) 707-2085

✔ PECOS0.1 mi

Anne Marie Craig, FNP

Nurse Practitioner

NPI 1851709828

211 GIBSON STREET, NW, SUITE 215
Leesburg, VA 20176

(571) 707-2085

✔ PECOS✔ Accepts Medicare0.1 mi

Joseph Lee, MD

Family Practice

NPI 1134115603

211 GIBSON STREET, NW, SUITE 215
Leesburg, VA 20176

(571) 707-2085

✔ PECOS✔ Accepts Medicare0.1 mi

Kaie Manor, FNP-BC

Nurse Practitioner

NPI 1629875752

211 GIBSON STREET, NW, SUITE 215
Leesburg, VA 20176

(571) 707-2085

✔ PECOS✔ Accepts Medicare0.1 mi

Shannon Wise, CNM

Certified Nurse Midwife (CNM)

NPI 1558603977

163 FORT EVANS RD NE
Leesburg, VA 20176

(703) 443-2000

✔ PECOS1.7 mi

Marcus Jennings, MD, MSPH

Family Practice

NPI 1114292588

19441 GOLF VISTA PLAZA SUITE 230 & 310
Leesburg, VA 20176

(703) 729-3420

✔ PECOS✔ Accepts Medicare5.4 mi

Charu Sabharwal, MD

Internal Medicine

NPI 1952401036

19441 GOLF VISTA PLZ STE 310
Leesburg, VA 20176

(703) 729-3420

✔ PECOS✔ Accepts Medicare5.4 mi

Keisha Sullivan, DO

Sleep Medicine

NPI 1437545720

19441 GOLF VISTA PLAZA, SUITES 230 & 310
Leesburg, VA 20176

(703) 729-3420

✔ PECOS✔ Accepts Medicare5.4 mi

Jawad Khan, MD

Pulmonary Disease

NPI 1407865082

19490 SANDRIDGE WAY STE 210
Leesburg, VA 20176

(703) 723-7504

✔ PECOS✔ Accepts Medicare5.6 mi

See all 334 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Loudoun Medical Group, PC's NPI number?

The NPI number for Loudoun Medical Group, PC is 1679591440. It was assigned to this organization in the NPPES registry on July 18, 2006.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 224D Cornwall St NW Suite 403, Leesburg, VA 20176. The listed phone number is (703) 737-6010.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Loudoun Medical Group, PC enrolled in Medicare?

Yes. Loudoun Medical Group, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Loudoun Medical Group, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 334 clinicians in 36 Medicare specialties reassign their Medicare billing to Loudoun Medical Group, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (93), Family Practice (29) and Internal Medicine (27). Of these, 5 practice at this address and 144 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Loudoun Medical Group, PC accept?

Health plans from Highmark Blue Cross Blue Shield West Virginia list Loudoun Medical Group, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Loudoun Medical Group, PC was last updated on August 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.